Home / 20,558.03-30,837.20-4,975.66

Finding the Fourth Proportional to 20,558.03, 30,837.20 and 4,975.66

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Solution

The fourth proportional to 20,558.03, 30,837.20 and 4,975.66 is: 7,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.03 : 30,837.20 = 4,975.66 : x
  2. Step 2: Convert to fraction form
    20,558.03/30,837.20 = 4,975.66/x
  3. Step 3: Cross multiply
    20,558.03x = 30,837.20 × 4,975.66
  4. Step 4: Simplify right side
    20,558.03x = 153,435,345.46
  5. Step 5: Solve for x
    x = 153,435,345.46/20,558.03
  6. Step 6: Final answer
    x = 7,463.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.